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Londoners are struggling with the tube strike - most lines are disrupted.
Tube managers say contingency plans - like buses, boats and bikes - are working - the union says it's managed to bring the network down to just a skeleton service.
Boris says keeping the congestion charge in place is the right thing otherwise it would be total chaos.
The strikes are a result of a row over jobs going at ticket offices.
Stay with London's Heart for updates.